Base | Representation |
---|---|
bin | 110101110111… |
… | …100000101101 |
3 | 222120102101012 |
4 | 311313200231 |
5 | 12103333010 |
6 | 1222355005 |
7 | 231012053 |
oct | 65674055 |
9 | 28512335 |
10 | 14121005 |
11 | 7a75358 |
12 | 488ba65 |
13 | 2c05532 |
14 | 1c381d3 |
15 | 138e005 |
hex | d7782d |
14121005 has 4 divisors (see below), whose sum is σ = 16945212. Its totient is φ = 11296800.
The previous prime is 14120983. The next prime is 14121031. The reversal of 14121005 is 50012141.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 2601769 + 11519236 = 1613^2 + 3394^2 .
It is not a de Polignac number, because 14121005 - 214 = 14104621 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1412096 + ... + 1412105.
It is an arithmetic number, because the mean of its divisors is an integer number (4236303).
Almost surely, 214121005 is an apocalyptic number.
It is an amenable number.
14121005 is a deficient number, since it is larger than the sum of its proper divisors (2824207).
14121005 is an equidigital number, since it uses as much as digits as its factorization.
14121005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2824206.
The product of its (nonzero) digits is 40, while the sum is 14.
The square root of 14121005 is about 3757.7925701135. The cubic root of 14121005 is about 241.7066146143.
Adding to 14121005 its reverse (50012141), we get a palindrome (64133146).
The spelling of 14121005 in words is "fourteen million, one hundred twenty-one thousand, five".
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